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SAMPLE INFO : 84Au-112a
Sample ID:84Au-112a
Station ID:84Au-112
Date Sampled:1984-01-01
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Basalt
Text Description:
Basaltic hyaloclastite lava flow. Augite, olivine, and hornblende phenocrysts in a slightly vesicular groundmass of plagioclase microlites, olivine, augite, and dark brown devitrified glass. Olivine phenocrysts occur as both large euhedral and small skeletal crystals. Augite commonly occurs in rounded clots of augite +/- olivine. Plagioclase is absent as a phenocryst but several rounded, sieve textures crystals are present as xenocrysts. Map unit Pvb (Waitt and Beget, 2009)

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